CN205225915U - Electronic round large -scale tipper pressurizes and off -load control integration system - Google Patents
Electronic round large -scale tipper pressurizes and off -load control integration system Download PDFInfo
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- CN205225915U CN205225915U CN201520947358.5U CN201520947358U CN205225915U CN 205225915 U CN205225915 U CN 205225915U CN 201520947358 U CN201520947358 U CN 201520947358U CN 205225915 U CN205225915 U CN 205225915U
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- valve
- manifold block
- control
- unloading
- pressurising
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- 230000010354 integration Effects 0.000 title abstract description 10
- 238000007599 discharging Methods 0.000 claims description 20
- 239000002828 fuel tank Substances 0.000 claims description 18
- 239000000945 filler Substances 0.000 claims description 13
- 230000009471 action Effects 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000037361 pathway Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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- Fluid-Pressure Circuits (AREA)
Abstract
Electronic round large -scale tipper pressurizes and off -load control integration system, including pressure oil sources and oil tank, still including pressurizing and off -load control integration valves, the pressure oil sources links to each other with off -load control control integration valves, and the pressure oil sources pressurizes as whole electronic round of tipper and the control power supply of off -load control integration system. The utility model discloses a choose the special hydraulic control integrated system of the general hydraulic component integrated of standard for use, the component is concentrated and is arranged, the integration degree is high, and simple structure is practical, and the reliability and safety of work is high, makes simply with low costs, easy maintenance, control system easy operation, multiple functional, the automated control degree is high, and the action interlock connection is perfect, is fit for being used for the constant -pressure type steering control return circuit of large -scale mine tipper equipment, also can press and the use of off -load control system as other equipment's building of constant -pressure type return circuit.
Description
Technical field
The utility model relates to a kind of pressurising and unloading control integrated system, especially relates to the pressurising of a kind of Large Electric wheel self-discharging vehicle and unloading control integrated system.
Background technique
The states such as current the Jin You U.S., Russia, China, Germany, Japan in the world can produce large-tonnage electric wheel Mine haul car.Electric wheel Mine haul car fluid-link steering control system is one of electric wheel transport vehicle core technology.The fluid-link steering control system of existing like product all continues to use traditional permanent current formula control mode mostly, namely handle switching valve and build pressure by the course changing control loop of change to Large Electric wheel self-discharging vehicle of flow, thus generation steering power, it is slow to there is turning velocity in this mode, the shortcoming that sensitivity is low, functional reliability is poor.
Model utility content
The technical problems to be solved in the utility model is, overcomes the above-mentioned shortcoming that prior art exists, provides a kind of functional reliability high, reflect sensitive, simple and practical Large Electric wheel self-discharging vehicle pressurising and unloading control integrated system.
The utility model solves the technological scheme that its technical problem adopts:
The pressurising of Large Electric wheel self-discharging vehicle and unloading control integrated system, comprise pressure oil-source and fuel tank, also comprise pressurising and unloading control integrated valve group, pressure oil-source is connected with unloading control control integration valve group, and pressure oil-source is as the control power source of whole electric power wheel self-discharging vehicle pressurising and unloading control integrated system.
Further, described pressurising and unloading control integrated valve group comprise unloading valve, two-way logic cartridge valve, one-way valve, first throttle valve and second throttle; Unloading valve, two-way logic cartridge valve, one-way valve, first throttle valve, second throttle are all plugged on manifold block.
Further, manifold block is provided with filler opening, return opening, drain tap and the first actuator port; Described pressure oil-source connects the filler opening of manifold block, and the return opening of manifold block connects fuel tank, and the drain tap of manifold block also connects fuel tank, and the first actuator port of manifold block connects steering control valve and accumulator.
Further, the first main working oil path, the second main working oil path, the first oil circuit control, the second oil circuit control and guide's oil circuit is provided with in described manifold block.The filler opening of described manifold block is connected to fuel tank through the second main working oil path, the main valve plug of two-way logic cartridge valve and the return opening of manifold block; The filler opening of manifold block is connected to fuel tank through the control port of the second main working oil path, the second oil circuit control, two-way logic cartridge valve, the first oil circuit control, the main valve plug of unloading valve and the drain tap of manifold block; The filler opening of manifold block is connected to steering control valve and accumulator through the first actuator port of the first main working oil path, manifold block; The filler opening of manifold block is connected to the control port of unloading valve through the first main working oil path, guide's oil circuit.
Further, described first throttle valve is located on the first oil circuit control.Second throttle is located on guide's oil circuit.
Further, described manifold block is also provided with the first pressure tap, pressure tap for subsequent use and actuator port for subsequent use, wherein, the first pressure tap, the first actuator port are all located between one-way valve and steering control valve; Pressure tap for subsequent use, the first pressure tap are opened on same oil circuit, and actuator port for subsequent use, the first actuator port are opened on same oil circuit.
Utility model works reliability is high, and manufacture simple, user cost is low.The utility model is the integrated dedicated hydraulic control integration systems of the general hydraulic element of selection standard, element centralized arrangement, and degree of integration is high, and take up room little, pipeline is few, is convenient to maintenance; Simple to operate, powerful, automatic controlling level is high, action interlock connection is perfect, Safety performance is high, and what be applicable to the normal pressure type course changing control loop of large-scale mine dumping car equipment builds pressure and off-load, and what also can be used as the gerotor type loop of miscellaneous equipment builds pressure and unloading control system use.
Accompanying drawing explanation
Fig. 1 is the hydraulic schematic diagram of pressurising of the present utility model and unloading control integrated valve group;
Fig. 2 is the schematic diagram of the wheel self-discharging vehicle pressurising of the utility model Large Electric and unloading control integrated system;
Fig. 3 (a) is the plan view of pressurising and unloading control integrated valve group;
Fig. 3 (b) is the worm's eye view of pressurising and unloading control integrated valve group;
Fig. 3 (c) is the right elevation of pressurising and unloading control integrated valve group.
In figure: 1, unloading valve; 2, two-way logic cartridge valve; 3. one-way valve; 4.1, first throttle valve; 4.2 second throttle; 5, manifold block; 6, fuel tank; 7, steering control valve; 8, accumulator; P: pressure oil-source; P1: the filler opening of manifold block; T: the return opening of manifold block; L: the return opening of manifold block; A1: the first actuator port of manifold block; A2: the actuator port for subsequent use of manifold block; M1: the first pressure tap of manifold block; M2: the pressure tap for subsequent use of manifold block; GL1: the first main working oil path; GL2: the second main working oil path; KL1: the first oil circuit control; KL2: the second oil circuit control; DL: guide's oil circuit.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
With reference to Fig. 1, Fig. 2, the pressurising of Large Electric wheel self-discharging vehicle and unloading control integrated system, comprise pressure oil-source P and fuel tank 6, also comprise pressurising and unloading control integrated valve group, pressure oil-source P is connected with unloading control control integration valve group, and pressure oil-source P is as the control power source of whole electric power wheel self-discharging vehicle pressurising and unloading control integrated system.
Described pressure oil-source P is oil pump.
With reference to Fig. 3 (a), Fig. 3 (b), Fig. 3 (c), described pressurising and unloading control integrated valve group comprise unloading valve 1, two-way logic cartridge valve 2, one-way valve 3, first throttle valve 4.1 and second throttle 4.2; Unloading valve 1, two-way logic cartridge valve 2, one-way valve 3, first throttle valve 4.1, second throttle 4.2 are all plugged on manifold block 5.
Manifold block 5 is provided with oil inlet P 1, oil return inlet T, drain tap L and the first actuator port A1.Described pressure oil-source P connects the oil inlet P 1 of manifold block 5, the oil return inlet T connected tank 6 of manifold block 5, the drain tap L of manifold block 5 also connected tank 6, the first actuator port A1 of manifold block 5 connects steering control valve 7 and the accumulator 8 in the course changing control loop of Large Electric wheel self-discharging vehicle.
The first main working oil path GL1, the second main working oil path GL2, the first oil circuit control KL1, the second oil circuit control KL2 and guide's oil circuit DL is provided with in described manifold block 5.The oil inlet P 1 of manifold block 5 is connected to fuel tank 6 through the main valve plug of the second main working oil path GL2, two-way logic cartridge valve 2 and oil return inlet T.The oil inlet P 1 of manifold block 5 is connected to fuel tank 6 through the control port of the second main working oil path GL2, the second oil circuit control KL2, two-way logic cartridge valve 2, the first oil circuit control KL1, the main valve plug of unloading valve 1 and the drain tap L of manifold block 5.The oil inlet P 1 of manifold block 5 is connected to steering control valve 7 and the accumulator 8 in the course changing control loop of Large Electric wheel self-discharging vehicle through the first actuator port A1 of the first main working oil path GL1, manifold block.The oil inlet P 1 of manifold block 5 is connected to the control port of unloading valve 1 through the first main working oil path GL1, guide's oil circuit DL.
First throttle valve 4.1 is located on the first oil circuit control KL1.Second throttle 4.2 is located on guide's oil circuit DL.
Manifold block 5 is also provided with the first pressure tap M1, pressure tap M2 for subsequent use and actuator port A2 for subsequent use, wherein, the first pressure tap M1, the first actuator port A1 are all located between one-way valve 3 and steering control valve 7; Pressure tap M2 for subsequent use be located at offer the first pressure tap M1 oil circuit on, actuator port A2 for subsequent use be located at offer the first actuator port A1 an oil circuit on.
Working principle: the pressurising of Large Electric wheel self-discharging vehicle and unloading control integrated system, its pressurising and unloading control integrated system function comprise and form a normal pressure loop to the course changing control loop pressurising of Large Electric wheel self-discharging vehicle; After the pressure in course changing control loop reaches the value of setting, the long-term high-pressure work of pressure oil-source P is avoided in pressure oil-source P off-load, and then extend the working life of oil pump; Maybe this oil sources is defeated by other operation mechanism as power source to improve the utilization efficiency of oil pump.
To the pressurising of course changing control loop: pressure oil-source P is through the oil inlet P 1 of manifold block 5, first actuator port A1 of the one-way valve 3 on the first main performance loop, manifold block 5 to accumulator 8 pressurising in course changing control loop, until the pressure that pressure filling is set up to unloading valve 1.
Unloading control: at pressure oil-source P through the oil inlet P 1 of manifold block 5, one-way valve 3 in accumulator 8 Plenum Process in course changing control loop, when the pressure that pressure filling is set up to unloading valve 1, pressure oil arrives the control port of unloading valve 1 through second throttle 4.2, opened by the main valve heart of unloading valve 1, the first oil circuit control connects fuel tank 6 through unloading valve 1, drain tap L; Now, second oil circuit control is under the effect of the control port of two-way logic cartridge valve 2, also fuel tank 6 is connected through unloading valve 1, drain tap L, thus the main valve plug of two-way logic cartridge valve 2 is opened, the oil return inlet T that pressure oil arrives manifold block 5 from the oil inlet P 1 of manifold block 5 through the second main performance loop, two-way logic cartridge valve 2 enters fuel tank 6, thus realizes the off-load of pressure oil-source P.
Circulation pressurising: when causing the pressure drop in course changing control loop due to the loaded work piece in course changing control loop, from when the first main working oil path is below the pressure that second throttle 4.2 sets to the pressure drop of guide's oil circuit to unloading valve 1, the main valve plug of unloading valve 1 is closed, first oil circuit control is to the pathway closure of drain tap L, simultaneously, under the effect of the control port of two-way logic cartridge valve 2, pathway closure between second oil circuit control to drain tap L, the main valve plug of two-way logic cartridge valve 2 is closed, pressure oil-source P is through the oil inlet P 1 of manifold block 5, two-way logic cartridge valve 2, the oil return inlet T of manifold block 5 is to the pathway closure of fuel tank 6, off-load work stops, pressure oil-source P is through the oil inlet P 1 of manifold block 5, one-way valve 3 starts repetition to accumulator 8 pressurising in course changing control loop.
As above-mentioned constantly repeatedly punching press and off-load circulation make the course changing control loop of Large Electric wheel self-discharging vehicle remain an atmospheric pressure state.
Claims (6)
1. the pressurising of Large Electric wheel self-discharging vehicle and unloading control integrated system, is characterized in that, comprises pressure oil-source and fuel tank, and also comprise pressurising and unloading control integrated valve group, pressure oil-source is connected with unloading control integrated valve group.
2. Large Electric wheel self-discharging vehicle according to claim 1 pressurising and unloading control integrated system, is characterized in that, described pressurising and unloading control integrated valve group comprise unloading valve, two-way logic cartridge valve, one-way valve, first throttle valve and second throttle; Unloading valve, two-way logic cartridge valve, one-way valve, first throttle valve, second throttle are all plugged on manifold block.
3. Large Electric wheel self-discharging vehicle according to claim 2 pressurising and unloading control integrated system, is characterized in that, manifold block is provided with filler opening, return opening, drain tap and the first actuator port; Described pressure oil-source connects the filler opening of manifold block, and the return opening of manifold block connects fuel tank, and the drain tap of manifold block also connects fuel tank, and the first actuator port of manifold block connects steering control valve and accumulator.
4. Large Electric wheel self-discharging vehicle according to claim 3 pressurising and unloading control integrated system, is characterized in that, is provided with the first main working oil path, the second main working oil path, the first oil circuit control, the second oil circuit control and guide's oil circuit in described manifold block; The filler opening of described manifold block is connected to fuel tank through the second main working oil path, the main valve plug of two-way logic cartridge valve and the return opening of manifold block; The filler opening of manifold block is connected to fuel tank through the control port of the second main working oil path, the second oil circuit control, two-way logic cartridge valve, the first oil circuit control, the main valve plug of unloading valve and the drain tap of manifold block; The filler opening of manifold block is connected to steering control valve and accumulator through the first actuator port of the first main working oil path, manifold block; The filler opening of manifold block is connected to the control port of unloading valve through the first main working oil path, guide's oil circuit.
5. Large Electric wheel self-discharging vehicle according to claim 4 pressurising and unloading control integrated system, is characterized in that, described first throttle valve is located on the first oil circuit control; Second throttle is located on guide's oil circuit.
6. Large Electric wheel self-discharging vehicle according to claim 4 pressurising and unloading control integrated system, it is characterized in that, described manifold block is also provided with the first pressure tap, pressure tap for subsequent use and actuator port for subsequent use, wherein, the first pressure tap, the first actuator port are all located between one-way valve and steering control valve; Pressure tap for subsequent use, the first pressure tap are opened on same oil circuit, and actuator port for subsequent use, the first actuator port are opened on same oil circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520947358.5U CN205225915U (en) | 2015-11-25 | 2015-11-25 | Electronic round large -scale tipper pressurizes and off -load control integration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520947358.5U CN205225915U (en) | 2015-11-25 | 2015-11-25 | Electronic round large -scale tipper pressurizes and off -load control integration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205225915U true CN205225915U (en) | 2016-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520947358.5U Expired - Fee Related CN205225915U (en) | 2015-11-25 | 2015-11-25 | Electronic round large -scale tipper pressurizes and off -load control integration system |
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| CN (1) | CN205225915U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257617A (en) * | 2015-11-25 | 2016-01-20 | 湘电重型装备有限公司 | Pressure-filling and unloading-controlling integrated system of large electric wheel dump truck |
| CN105257612A (en) * | 2015-11-26 | 2016-01-20 | 湖南五新隧道智能装备股份有限公司 | Dual-power hydraulic system and concrete spraying car |
| CN110843904A (en) * | 2019-11-14 | 2020-02-28 | 湘电重型装备有限公司 | A large-scale electric wheel dump truck integrated steering and braking control system |
-
2015
- 2015-11-25 CN CN201520947358.5U patent/CN205225915U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257617A (en) * | 2015-11-25 | 2016-01-20 | 湘电重型装备有限公司 | Pressure-filling and unloading-controlling integrated system of large electric wheel dump truck |
| CN105257612A (en) * | 2015-11-26 | 2016-01-20 | 湖南五新隧道智能装备股份有限公司 | Dual-power hydraulic system and concrete spraying car |
| CN110843904A (en) * | 2019-11-14 | 2020-02-28 | 湘电重型装备有限公司 | A large-scale electric wheel dump truck integrated steering and braking control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20171125 |